Chemical Properties of 1,1,1',1'-Tetrafluorodimethyl ether (CAS 1691-17-4)

InChI

InChI=1S/C2H2F4O/c3-1(4)7-2(5)6/h1-2H

InChI Key

IOCGMLSHRBHNCM-UHFFFAOYSA-N

Formula

C2H2F4O

SMILES

FC(F)OC(F)F

Molecular Weight¹

118.03

CAS

1691-17-4

Other Names

• (Difluoromethoxy)(difluoro)methane
• R E 134
• Methane, oxybis(difluoro-

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• ρ_c : Critical density (kg/m³).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfusH°	7.40	kJ/mol	Joback Calculated Property
logPoct/wat	1.448		Crippen Calculated Property
McVol	51.990	ml/mol	McGowan Calculated Property
Pc	4228.00 ± 80.00	kPa	NIST
ρc	528.78 ± 11.80	kg/m3	NIST
Tboil	261.43	K	Relay (1.0) Calculated Property
Tc	[420.25; 420.70]	K
Tc	420.25 ± 0.20	K	NIST
Tc	420.70 ± 1.00	K	NIST

Cheméo can also estimate Normal melting (fusion) point, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[94.03; 114.21]	J/mol×K	[263.98; 396.44]
Cp,gas	94.03	J/mol×K	263.98	Joback Calculated Property
Cp,gas	97.56	J/mol×K	286.06	Joback Calculated Property
Cp,gas	101.02	J/mol×K	308.13	Joback Calculated Property
Cp,gas	104.41	J/mol×K	330.21	Joback Calculated Property
Cp,gas	107.75	J/mol×K	352.29	Joback Calculated Property
Cp,gas	111.01	J/mol×K	374.36	Joback Calculated Property
Cp,gas	114.21	J/mol×K	396.44	Joback Calculated Property

Similar Compounds

Find more compounds similar to 1,1,1',1'-Tetrafluorodimethyl ether.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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